1 | package com.framsticks.gui.controls; |
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2 | |
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3 | import java.awt.BorderLayout; |
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4 | import java.awt.Dimension; |
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5 | import java.util.Hashtable; |
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6 | |
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7 | import javax.swing.Box; |
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8 | import javax.swing.BoxLayout; |
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9 | import javax.swing.JComponent; |
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10 | import javax.swing.JLabel; |
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11 | import javax.swing.JPanel; |
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12 | import javax.swing.JSlider; |
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13 | import javax.swing.JTextField; |
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14 | import javax.swing.event.ChangeEvent; |
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15 | import javax.swing.event.ChangeListener; |
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16 | |
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17 | import org.apache.log4j.Logger; |
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18 | |
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19 | import com.framsticks.params.Flags; |
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20 | import com.framsticks.params.types.DecimalParam; |
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21 | import com.framsticks.params.types.FloatParam; |
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22 | import com.framsticks.params.types.NumberParam; |
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23 | import com.framsticks.util.lang.Numbers; |
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24 | import com.framsticks.util.swing.Layout; |
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25 | |
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26 | @SuppressWarnings("serial") |
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27 | public class SliderControl extends TextControl { |
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28 | |
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29 | private static final Logger log = Logger.getLogger(SliderControl.class.getName()); |
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30 | |
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31 | protected final JSlider slider; |
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32 | |
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33 | protected final JTextField text; |
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34 | |
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35 | /** |
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36 | * Division factor used to implement float value slider. |
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37 | */ |
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38 | private final int div = 10; |
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39 | private JComponent changing = null; |
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40 | |
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41 | private Class<? extends Number> valueType; |
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42 | |
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43 | public SliderControl(NumberParam<?> param) { |
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44 | super(param); |
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45 | text = new JTextField(); |
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46 | |
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47 | //TODO: that factor should be done as a constant |
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48 | this.setMaximumSize(new Dimension(Integer.MAX_VALUE, (int)(LINE_HEIGHT * 1.2))); |
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49 | |
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50 | // ComponentUI ui = UIManager.getUI(slider); |
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51 | // assert ui instanceof SliderUI; |
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52 | // SliderUI sui = (SliderUI) ui; |
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53 | // slider.setUI(sui); |
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54 | |
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55 | slider = new JSlider(); |
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56 | |
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57 | slider.setEnabled(!isReadOnly()); |
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58 | slider.setPaintLabels(false); |
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59 | if (param instanceof DecimalParam) { |
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60 | valueType = Integer.class; |
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61 | |
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62 | int min = param.getMin(Integer.class); |
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63 | int max = param.getMax(Integer.class); |
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64 | slider.setMinimum(min); |
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65 | slider.setMaximum(max); |
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66 | if (param.getDef(Integer.class) != null) { |
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67 | slider.setValue(param.getDef(Integer.class)); |
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68 | } else { |
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69 | slider.setValue(min); |
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70 | } |
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71 | slider.setMajorTickSpacing((int) ((max - min) / 5)); |
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72 | slider.setMinorTickSpacing((int) ((max - min) / 10)); |
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73 | } else if (param instanceof FloatParam) { |
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74 | valueType = Double.class; |
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75 | |
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76 | double min = param.getMin(Double.class) * div; |
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77 | slider.setMinimum((int) min); |
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78 | double max = param.getMax(Double.class) * div; |
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79 | double diff = max - min; |
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80 | slider.setMaximum((int) max); |
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81 | |
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82 | Hashtable<Integer, java.awt.Component> labels = new Hashtable<Integer, java.awt.Component>(); |
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83 | int ticks = 6; |
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84 | for (int i = 0; i <= ticks; i++) { |
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85 | double val = (diff / ticks) * i + min; |
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86 | String label = String.format("%1$.1f", (val / 10)).replace(",", |
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87 | "."); |
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88 | labels.put((int) val, new JLabel(label, JLabel.CENTER)); |
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89 | } |
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90 | slider.setLabelTable(labels); |
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91 | slider.setMajorTickSpacing((int) (diff / 5)); |
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92 | slider.setMinorTickSpacing((int) (diff / 10)); |
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93 | if (param.getDef(Double.class) != null) { |
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94 | double defaultValue = param.getDef(Double.class) * div; |
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95 | slider.setValue((int) defaultValue); |
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96 | } |
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97 | } |
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98 | slider.setPaintLabels(true); |
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99 | slider.setPaintTicks(true); |
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100 | |
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101 | this.setLayout(new BoxLayout(this, BoxLayout.LINE_AXIS)); |
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102 | this.setAlignmentX(Box.CENTER_ALIGNMENT); |
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103 | this.setAlignmentY(Box.CENTER_ALIGNMENT); |
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104 | |
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105 | JPanel sliderPanel = new JPanel(); |
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106 | // sliderPanel.setLayout(new BoxLayout(sliderPanel, BoxLayout.LINE_AXIS)); |
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107 | |
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108 | |
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109 | Layout.fixComponentSize(text, new Dimension(90, Control.LINE_HEIGHT)); |
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110 | text.setHorizontalAlignment(JSlider.CENTER); |
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111 | |
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112 | text.setEnabled(!param.hasFlag(Flags.READONLY)); |
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113 | |
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114 | slider.addChangeListener(new ChangeListener() { |
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115 | @Override |
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116 | public void stateChanged(ChangeEvent e) { |
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117 | if (changing != null) { |
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118 | return; |
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119 | } |
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120 | log.trace("changing " + getParam() + " with slider: " + slider.getValue()); |
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121 | changing = slider; |
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122 | text.setText(convertFromSliderDomain(slider.getValue()).toString()); |
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123 | changing = null; |
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124 | } |
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125 | }); |
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126 | |
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127 | text.getDocument().addDocumentListener(createDocumentListener(new Runnable() { |
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128 | @Override |
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129 | public void run() { |
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130 | if (changing != null) { |
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131 | return; |
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132 | } |
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133 | log.trace("changing " + getParam() + " with text: " + text.getText()); |
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134 | changing = text; |
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135 | Integer i = convertToSliderDomain(convertTextToNumber()); |
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136 | if (i != null) { |
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137 | slider.setValue(i); |
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138 | } |
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139 | changing = null; |
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140 | notifyOfChange(); |
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141 | } |
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142 | })); |
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143 | |
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144 | JPanel sVPanel = new JPanel(); |
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145 | sVPanel.setLayout(new BoxLayout(sVPanel, BoxLayout.LINE_AXIS)); |
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146 | sVPanel.add(text); |
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147 | Layout.copyComponentDimensions(sVPanel, text); |
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148 | |
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149 | JPanel sPanel = new JPanel(); |
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150 | sPanel.setLayout(new BoxLayout(sPanel, BoxLayout.LINE_AXIS)); |
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151 | |
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152 | sliderPanel.setLayout(new BorderLayout()); |
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153 | sliderPanel.add(slider, BorderLayout.CENTER); |
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154 | sliderPanel.setMaximumSize(new Dimension(Integer.MAX_VALUE, Integer.MAX_VALUE)); |
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155 | sliderPanel.setMinimumSize(new Dimension(0, 60)); |
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156 | |
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157 | sPanel.add(sVPanel); |
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158 | sPanel.add(sliderPanel); |
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159 | |
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160 | this.add(sPanel); |
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161 | } |
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162 | |
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163 | @Override |
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164 | public NumberParam<?> getParam() { |
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165 | return (NumberParam<?>) param; |
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166 | } |
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167 | |
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168 | private Number convertFromSliderDomain(int value) { |
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169 | if (param instanceof DecimalParam) { |
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170 | return value; |
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171 | } |
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172 | if (param instanceof FloatParam) { |
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173 | return (double) value / (double) div; |
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174 | } |
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175 | return null; |
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176 | } |
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177 | |
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178 | private Integer convertToSliderDomain(Number value) { |
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179 | if (value == null) { |
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180 | return null; |
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181 | } |
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182 | if (param instanceof DecimalParam) { |
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183 | return (Integer) value; |
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184 | } |
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185 | if (param instanceof FloatParam) { |
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186 | return (int) ((Double) value * div); |
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187 | } |
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188 | return null; |
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189 | } |
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190 | |
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191 | private Number convertTextToNumber() { |
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192 | return Numbers.cast(text.getText(), valueType); |
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193 | } |
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194 | |
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195 | @Override |
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196 | public void pushValueToUserInterfaceImpl(Object value) { |
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197 | if (value == null) { |
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198 | return; |
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199 | } |
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200 | text.setText(value.toString()); |
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201 | } |
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202 | |
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203 | @Override |
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204 | public Number pullValueFromUserInterface() { |
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205 | return convertTextToNumber(); |
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206 | } |
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207 | |
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208 | } |
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